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Finding the Fourth Proportional to 188,425.17, 259,922.93 and 119,388.33

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Solution

The fourth proportional to 188,425.17, 259,922.93 and 119,388.33 is: 164,690.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,425.17 : 259,922.93 = 119,388.33 : x
  2. Step 2: Convert to fraction form
    188,425.17/259,922.93 = 119,388.33/x
  3. Step 3: Cross multiply
    188,425.17x = 259,922.93 × 119,388.33
  4. Step 4: Simplify right side
    188,425.17x = 31,031,763,944.47
  5. Step 5: Solve for x
    x = 31,031,763,944.47/188,425.17
  6. Step 6: Final answer
    x = 164,690.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.